With Windows 7 (and Vista) User Account Control (UAC)
The UAC is a feature added to help protect registry files. However, software installation and updates require access to write to registry keys, especially SolidWorks and it’s add ins.
If you experience issues during and installation or Service Pack upgrade here are a few things to check:
- Make sure you are logged into the computer will FULL Administrator Rights. Depending on permissions and security installation requires Admin. rights to complete.
- Temporarily disable your antivirus software. During installation and activation information is sent and received to SolidWorks Databases. Some anti-virus software prevents this thus causing the installation or upgrade to fail.
- Firewalls, either local (windows firewall) or Network can block access for the exchange of SolidWorks information during installation or activation. Many times it is necessary to disable a firewall temporarily.
- Lastly,
the UAC (user account controls) feature can cause installs, Service Pack
upgrades and network connections to common / shared files and toolbox’s to
fail. IT may be necessary to disable the UAC. To do this:
- Disable
UAC in Windows Vista:
- Go to Start > Control Panel > User Accounts > Turn user account on or off
- Uncheck “Use User Account Control (UAC) to help protect your computer.
- Disable
UAC in Windows Vista:
- To
Disable the UAC in Window s 7 (it’s easier):
- Go to Start > Type UAC in the search box
- Click on UAC
- When the dialog box opens – Slide the bar DOWN to Never Notify
- Click OK
When your installs, downloads and updates are complete, reset your system to the previous values.
This procedure resolves many installation, activation and update issues.

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